11971925

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 17917380

約数和(自身を除く): 5945455

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 337, 725, 1015, 1225, 1421, 1685, 2359, 5075, 7105, 8425, 9773, 11795, 16513, 35525, 48865, 58975, 68411, 82565, 244325, 342055, 412825, 478877, 1710275, 2394385, 11971925]

約数ペア:

[(1, 11971925), (5, 2394385), (7, 1710275), (25, 478877), (29, 412825), (35, 342055), (49, 244325), (145, 82565), (175, 68411), (203, 58975), (245, 48865), (337, 35525), (725, 16513), (1015, 11795), (1225, 9773), (1421, 8425), (1685, 7105), (2359, 5075)]